PHP Tutorials

Common PHP Code, hash,split,unset [Size=large] ) # return; #echo $line = preg_replace ("/\\n/", "", $line); #echo $line; $arr = Explode ("", $line); if (count ($arr) [/size] 

PHP header () Usage tips The following is a detailed description of the use of the header function: Regardless of how many headers the page has, it executes the last one, but conditionally, for example: This will jump to Baidu The role of the

Summary of PHP configuration issues In the use of PHP+APACHE+MYSLQ programming, there are often a more troublesome problem, is to configure the php.ini file. ? Question 1: Fatal error:call to undefined function mysql_connect () in. . Print out

Strange! No one will help you. Please be patient to look down, help me analyze and analyze. First of all, the file is UTF-8 encoded, the host is also Linux. After many Tests- Now with the two host is the Chinese name Network and win the net, the

PHP notes (6)-Array add element Today I learned a new way to add an element to the PHP array. Previously always added with the push () function: $arr = Array (); Array_push ($arr, El1, El2 ... ELN); ? But in fact there is a more direct and

Introduction to PHP Gdchart Gdchart is a class library for pecl. This means that it is an extension of the C language. Although PHP does not have a default installation Gdchart, it can be compiled if you want to use it. Gdchart the biggest

The difference between empty, isset, is_null in PHP Empty If the variable is a non-null or nonzero value, empty () returns FALSE. In other words, "", 0, "0", NULL, FALSE, Array (), Var $var, undefined; and objects that do not have any properties

PHP Verification Code and picture inconsistency problem Today encountered a strange problem, the previous few days backstage also login well, today in the log in when the "Verification Code and picture inconsistency" problem, the user name and

PHP Interview questions Exam 03 4. What tools are used for version control? Svn 5, how to implement string rollover? $str = "Holle world!"; echo Strrev ($STR);//!dlrow ellohecho T_strrev ($str);//!dlrow ellohfunction T_strrev ($str) {$n _str =

PHP File Upload Download 1. php.ini configuration?? ? ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Resource Limits; resource restriction ;;;;;;;;;;;;;;;;;;;;;;;;;;; Maximum execution time of each script, in seconds; Http://php.net/max-execution-time;

PHP File Download Filter class SetFilter ($fileFilter); $this->setdebug ($isDebug); $this->setfiletype ();} function DownloadFile ($filename) {$this->filename= $filename, if ($this->filecheck ()) {$FN = basename ($this FileName); Ob_end_clean ();

Merging of the PHP implementation arrays Recently, make a report that requires that you merge these lines if a few items are the same, and add the number items to the display. First consider iterating over the array, comparing the last item in the

40 Tips for getting PHP code to fly (improve PHP efficiency) 1. If a method can be static, then declare that he is static, the speed can be increased by 1/4;2.echo is more efficient than print, because Echo has no return value, and print returns

pdf2swf Chinese Conversion The problem occurs when PHP calls pdf2swf to convert Chinese PDF. According to the online download of xpdf and Chinese fonts. But Chinese still can't be displayed when converting. Hint Error: Invalid charid 16757 for

PHP Smarty Cache usage First, use the cache?To turn on the Smarty cache, simply set caching to True and specify Cache_dir.Use Cache_lefetime to specify the cache lifetime in secondsTo generate multiple different caches for the same page,

Find a regular expression that matches a qualified ID The best solution to match this ID!--------------------------$s = ' your string ';p reg_match ('/ References: /id= "([^"]*) "/ References: /id= "([^"

Configure PHP to support curl Today installed Zen Cart appeared curl not compiled problems, Internet search, problem solving. Curl is a file transfer tool that works with URL syntax in the command line mode. It supports many protocols: FTP, FTPS,

PHP completely eliminate Warning:cannot add header information-headers already sent in ... Solution: 1) For those who have permission to edit php.ini Open the php.ini file (you are better than I know where your php.ini is) and

debugging PHP programs with NetBeans + Xdebug A few days ago found through the notepad++ DBGP plug-in combined with PHP xdebug extension can be implemented PHP file debugging, at the same time, the introduction includes a single-step debugging,

PHP Download file PHP download files encountered in two ways First Kind $file = ' data/upload/file '. exe '; @header ("Location: $file"); exit; This method is not advisable. Because there is no type of file to tell the browser to download, if the